/Engine/Plugins/Runtime/nDisplay/Source/DisplayCluster/Public/DisplayClusterRootActor.h
Return hidden in game privitives set.
bool GetHiddenInGamePrimitives ( [TSet](API\Runtime\Core\Containers\TSet)< [FPrimitiveComponentId](API\Runtime\Engine\FPrimitiveComponentId) > & OutPrimitives )